@media screen and (max-width: 1025px) {
    * {
     margin: 0;
     padding: 0;
    }
    body {
     background: rgb(129, 155, 190);
     background-size: cover;
     background-position: center center;
     height: 100%;
    }
    .container {
     margin: 0;
     color: #fff;
     line-height: normal;
     position: absolute;
     align-items: center;
     left: 5%;
     right: 5%;
    }
    .container h2 {
     font-size: 6em;
     text-align: center;
     margin: 10% 0;
     color: #fff;
    }
    .container h2 span {
     color: #fff;
     display: block;
     text-align: center;
     font-size: 0.3em;
     font-weight: 300;
     letter-spacing: 2px;
    }
    .countdown {
     display: flex;
     justify-content: space-around;
     margin: 0;
    }
    .countdown div {
     width: 20%;
     height: 13vw;
     margin: 0 10px;
     line-height: 13vw;
     font-size: 2em;
     position: relative;
     text-align: center;
     background: #333333;
     color: #ffffff;
     font-weight: 500;
     border-radius: 10px 10px 0 0;
    }
    .countdown div:before {
     content: '';
     position: absolute;
     bottom: -30px;
     left: 0;
     width: 100%;
     height: 30px;
     background: #b00000;
     color: #ffffff;
     font-size: 0.4em;
     line-height: 35px;
     font-weight: 300;
     border-radius: 0 0 10px 10px;
    }
    .countdown #day:before {
     content: '天';
    }
    .countdown #hour:before {
     content: '时';
    }
    .countdown #minute:before {
     content: '分';
    }
    .countdown #second:before {
     content: '秒';
    }
   }